444921422366 has 16 divisors (see below), whose sum is σ = 669698329248. Its totient is φ = 221689010400.

The previous prime is 444921422347. The next prime is 444921422371. The reversal of 444921422366 is 663224129444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 444921422366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412116 + ... + 2590008.

It is an arithmetic number, because the mean of its divisors is an integer number (41856145578).

Almost surely, 2^444921422366 is an apocalyptic number.

444921422366 is a deficient number, since it is larger than the sum of its proper divisors (224776906882).

444921422366 is a wasteful number, since it uses less digits than its factorization.

444921422366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182227.

The product of its digits is 1990656, while the sum is 47.

The spelling of 444921422366 in words is "four hundred forty-four billion, nine hundred twenty-one million, four hundred twenty-two thousand, three hundred sixty-six".